67361440

素因数分解:

$2^5\times 5^1\times {\mathrm{421009}}^1$

素因数の和:421024

約数の個数: 24

約数和(自身を含む): 159141780

約数和(自身を除く): 91780340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421009, 842018, 1684036, 2105045, 3368072, 4210090, 6736144, 8420180, 13472288, 16840360, 33680720, 67361440]

約数ペア:

[(1, 67361440), (2, 33680720), (4, 16840360), (5, 13472288), (8, 8420180), (10, 6736144), (16, 4210090), (20, 3368072), (32, 2105045), (40, 1684036), (80, 842018), (160, 421009)]